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Trip from Glenville, NY to Smithtown, NY

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Jul 19, 2026 · Editorial standards

Drive Time

7h 25m

Distance

358.5 mi

577 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$58

one way

EV Charging

Unknown

Best Time to Leave

Save up to 31 min
4 AM
7h 15m ★
6 AM
7h 26m
8 AM
7h 46m
10 AM
7h 33m
12 PM
7h 31m
3 PM
7h 34m
5 PM
7h 45m
8 PM
7h 19m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

human settlement in Schenectady County, New York, United States of America

Glenville, NY

Wikimedia Commons

town in Suffolk County, New York, United States

Smithtown, NY

Wikimedia Commons

Trip Overview

Glenville, NY to Smithtown, NY is 358.5 miles and takes about 7 hours 25 minutes via Southern Tier Expressway, Keystone Shortway, and I-81, with a fuel budget near $58 and enough daylight to finish in a day. This trip stays within New York, moving from the Northeast region of the state down to its Long Island area. Given its predominantly highway nature and manageable duration, it's a straightforward point-to-point drive. You'll find it's a practical option for a single-day transit, assuming you're comfortable with several hours behind the wheel.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

2 planned breaks

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

179.2 miles from Glenville, NY

A natural place for your longest stop of the day , about 3h 40m into the drive .

Main Roads

Road Distance Duration
Southern Tier Expressway 104.5 mi 2h 2m
Keystone Shortway 80 mi 1h 37m
I 81 53.4 mi 1h 3m
I 380 23.6 mi 25m
Genesee Expressway 16 mi 18m
Long Island Expressway 14.2 mi 19m
Northern State Parkway 13.7 mi 18m
Cross Bronx Expressway 6.6 mi 8m
Longest stretch: Southern Tier Expressway — 104.5 mi, about 2h 2m

Traffic on I-80

Hour-of-day weekday pattern from 168 FHWA count stations on your route.

Peak

3 PM

~4,210 veh/hr typical · worst 4,900

Quietest

1 AM

~430 veh/hr

Peak-to-quiet ratio

9.8×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).

Turn-by-Turn Driving Directions

Step-by-step road directions between Glenville, NY and Smithtown, NY.

1

Start on NY 15A

89 ft · 1 sec · South Main Street
2

Continue on NY 15A

1.2 mi · 2 min · Bald Hill Road
3

Continue on NY 15A

6.5 mi · 11 min · State Highway 15A
4

Continue on NY 15A

3.4 mi · 6 min · North Main Street
5

Continue on NY 15

3.2 mi · 5 min · Indian Valley Road
6

Continue on NY 15

0.3 mi · 29 sec · State Highway 15
7

Continue on NY 15

2.4 mi · 4 min · North Lackawanna Street
8

Take the ramp

0.3 mi · 32 sec
9

Merge onto I 390

16 mi · 18 min · Genesee Expressway
10

Merge onto I 86

105 mi · 2 hr 2 min · Southern Tier Expressway
11

Keep slight right at fork onto I 81

53 mi · 1 hr 3 min · I 81
Toward I 81 South: Scranton Use the straight lane.
12

Keep slight right at fork onto US 6

0.8 mi · 1 min · US 6
Exit 187 Toward I 84 East, I 380 South, US 6 East: Carbondale, Mt Pocono Use the slight left / slight right lanes.
13

Continue on I 84; I 380

3.7 mi · 4 min · I 84; I 380
Toward I 84 East, I 380 South: Mount Pocono, Milford Use the straight lane.
14

Keep slight right at fork onto I 380

24 mi · 25 min · I 380
Exit 4 Toward I 380 South: Mount Pocono
15

Keep slight left at fork

1.0 mi · 1 min
Exit 1B Toward I 80 East: Stroudsburg
16

Merge onto I 80

80 mi · 1 hr 37 min · Keystone Shortway
Use the straight / right lanes.
17

Keep slight right at fork onto I 80

5.5 mi · 5 min · Christopher Columbus Highway
Toward I 95: George Washington Bridge Lower Level Use the slight right lane.
18

Keep slight left at fork

0.3 mi · 23 sec
Toward I 95 North: George Washington Bridge, New York City Use the straight / slight right lanes.
19

Keep slight right at fork

0.4 mi · 38 sec
Exit 70A-B Toward Leonia, Teaneck Use the slight right lane.
20

Turn right

0.2 mi · 35 sec
Exit 70A Toward Leonia Use the straight / slight right lanes.
21

Turn straight onto CR 56

454 ft · 9 sec · Degraw Avenue
22

Continue on CR 56

1.1 mi · 2 min · Fort Lee Road
Use the straight / right lanes.
23

Continue on CR 56

469 ft · 13 sec · Main Street
24

Take the ramp

472 ft · 12 sec
Toward George Washington Bridge
25

Merge onto US 1; US 9; US 46

0.3 mi · 28 sec · Bergen Boulevard
Use the straight / slight right lanes.
26

Take the exit

312 ft · 4 sec
Toward George Washington Bridge Upper Level
27

Merge onto I 95 EXPR

0.3 mi · 20 sec · I 95 EXPR
Use the straight / slight right lanes.
28

Keep slight left at fork onto I 95 EXPR

0.8 mi · 1 min · I 95 EXPR
29

Continue on I 95; US 1; US 9

0.6 mi · 1 min · George Washington Bridge (upper level)
Use the straight / slight right lanes.
30

Continue on I 95; US 1

0.7 mi · 1 min · Trans-Manhattan Expressway
31

Continue on I 95; US 1

4.7 mi · 6 min · Cross Bronx Expressway
Use the straight / slight right lanes.
32

Keep slight right at fork onto I 295

2.0 mi · 2 min · Cross Bronx Expressway
Exit 6B Toward I 295 South: Throgs Neck Bridge Use the straight / slight left lanes.
33

Merge onto I 295

0.6 mi · 58 sec · Throgs Neck Expressway
34

Continue on I 295

2.0 mi · 3 min · Throgs Neck Bridge
Use the straight / slight right lanes.
35

Continue on I 295

3.2 mi · 3 min · Clearview Expressway
Use the straight / slight right lanes.
36

Take the exit

0.2 mi · 27 sec
Exit 4E-W Toward I 495: Manhattan, Eastern Long Island Use the straight / slight right lanes.
37

Keep slight left at fork

0.3 mi · 38 sec
Exit 4E Toward I 495 East: Long Island Expressway, Eastern Long Island
38

Merge onto I 495

14 mi · 19 min · Long Island Expressway
Use the straight / slight right lanes.
39

Take the exit

0.4 mi · 52 sec
Exit 42 Toward N East: Hauppauge Use the slight right lane.
40

Merge onto N

14 mi · 18 min · Northern State Parkway
Use the straight / slight right lanes.
41

Take the exit

0.2 mi · 25 sec
Exit 45 Toward SM North: Kings Park Use the right lane.
42

Merge onto SA

499 ft · 6 sec · Sagtikos State Parkway
43

Continue on SM

1.7 mi · 1 min · Sunken Meadow State Parkway
44

Take the exit

0.2 mi · 30 sec
Exit SM3E Toward NY 25 East: Jericho Turnpike East, Smithtown Use the slight right lane.
45

Turn slight right onto NY 25

3.9 mi · 5 min · Jericho Turnpike
46

Continue on NY 25; NY 25A

0.6 mi · 54 sec · West Main Street
Use the left lane.
47

Arrive at destination

NY 25; NY 25A

Trip Plan

For this 7-hour, 25-minute drive, consider an early morning departure from Glenville, NY, to maximize daylight and minimize traffic, especially as you approach the Long Island area. With a recommended one-day drive, you'll want to plan for approximately two stops to stretch your legs and refuel. Keep an eye on your fuel gauge, as the longest continuous stretch without a major exit is over 100 miles. Given the $58 fuel cost estimate, it's wise to fill up before you hit longer, less populated highway segments.

Morning Departure

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Evening Departure

This is a long drive — plan for a morning departure or consider splitting it into two days.

You can normally do this drive in one day.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 179.2 miles from Glenville, NY, or about 3h 40m into the drive.
The longest continuous stretch on this route runs about 104.5 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 79 miles or 1h 42m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 179.2 miles or 3h 40m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 6h 2m

Traffic, exits, and arrival timing usually matter more near Smithtown, NY than in the middle of the route.

Before You Leave

+

Open the route before leaving Glenville, NY so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

+

Pick one backup stop option before the midpoint in case traffic changes your pacing.

Day 1

Settle into the route from Glenville, NY

This is one driving day of about 358.5 miles and 7h 25m.

Your first comfortable stop window is around 79 miles from Glenville, NY.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Southern Tier Expressway for about 104.5 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

most populous city in the United States

Mid-route town

Meal stop

New York City, NY

179 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Waverly, NY

Fuel and coffee

A short stop after about 79 miles helps settle the day before fatigue starts building.

Barton, NY

Meal break

The midpoint is around 179.2 miles from Glenville, NY, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before Southern Tier Expressway if your tank is already low. That segment runs about 104.5 miles.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Rest area

0 mi from route

Rest Area

0 mi from route

Nichols Rest Area

0 mi from route

Rest Area

0 mi from route

Campbell Rest Area

0 mi from route

Crescent Lake Rest Area

0 mi from route

Rest Area

0 mi from route

Rest Area

0.1 mi from route

Pilot Travel Center

0.1 mi from route

Flying J Travel Center

0.1 mi from route

Owego Rest Area

0.1 mi from route

Broome Gateway Rest Area

0.1 mi from route

Pennsylvania Welcome Center

0.1 mi from route

Rest Area

0.1 mi from route

Onvo Travel Plaza

0.1 mi from route

Rest Area

0.1 mi from route

Kanona Rest Area

0.1 mi from route

Onvo Travel Plaza

0.1 mi from route

Love's Travel Stop

0.1 mi from route

TA

0.1 mi from route

Penn-Can Travel Plaza

0.1 mi from route

Service Plaza

0.1 mi from route

Service Plaza

0.1 mi from route

Pennsylvania Welcome Center

0.1 mi from route

Erwin Text Zone / Parking Area

0.2 mi from route

Love's Travel Stop

0.3 mi from route

TA

0.4 mi from route

Onvo Travel Plaza

0.4 mi from route

Service Plaza

0.7 mi from route

Service Plaza

0.7 mi from route

Service Plaza

1.2 mi from route

Long Island Welcome Center

1.4 mi from route

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 28

5 decision points cluster between mile 191.1 and 323.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

9
191.1 mi into trip | ~3h 54m in | US 6

Keep slight right at fork onto US 6 toward I 84 East, I 380 South, US 6 East: Carbondale, Mt Pocono

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left / slight right lanes. Exit 187 Toward I 84 East, I 380 South, US 6 East: Carbo...
8
305.6 mi into trip | ~6h 10m in

Keep slight left at fork toward I 95 North: George Washington Bridge, New York City

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward I 95 North: George Washington Bridge, Ne...
9
305.9 mi into trip | ~6h 11m in

Keep slight right at fork toward Leonia, Teaneck

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 70A-B Toward Leonia, Teaneck
8
315.3 mi into trip | ~6h 25m in | I 295 / Cross Bronx Expressway

Keep slight right at fork onto I 295 / Cross Bronx Expressway toward I 295 South: Throgs Neck Bridge

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight left lanes. Exit 6B Toward I 295 South: Throgs Neck Bridge
8
323.1 mi into trip | ~6h 35m in

Take the exit toward I 495: Manhattan, Eastern Long Island

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 4E-W Toward I 495: Manhattan, Eastern Long Island

Fuel & Cost

Regular Gas

$58.00 one way

$115.99 round trip

$4.11/gal 25.4 MPG avg 125 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.46 $62.94 $125.87
premium $4.85 $68.43 $136.85
diesel $4.80 $67.69 $135.38

Estimated Tolls: $22.82

George Washington Bridge $16.00
Throgs Neck Bridge $6.55
Jericho Turnpike (3.9 mi) $0.27

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Estimated Trip Cost (one way, 1 person)

Fuel

$58

Tolls

$23

Meals

$25–$50

Total

$106–$131

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 125.4 kg one way. Prices: EIA weekly data, 2026-07-13.

Driving Electric?

About $38 in charging · 1 stop · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 107.6 1 $37.64 $17.21
Efficient EV 89.6 1 $31.37 $14.34
EV Truck/SUV 143.4 1 $50.19 $22.94

Gas CO2

125 kg

EV CO2

42 kg (66% less)

Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Jul 17, 2026

Origin

Glenville, NY

Morning in Glenville on Sunday

Local time

11:26 AM

EDT

Current temp

61°F

Mostly Cloudy

S 2 mph 0% chance Live forecast

Destination

Smithtown, NY

Morning in Smithtown on Sunday

Local time

11:26 AM

EDT

Current temp

70°F

Smoke

N 5 mph 0% chance Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

9 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

7h 25m on the road

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

National Parks Near This Route

Worth a detour if your schedule allows.

Hamilton Grange National Memorial

Hamilton Grange National Memorial

National Memorial

Merchant’s clerk, Revolutionary War soldier, first Secretary Treasury of the United States: Alexander Hamilton’s life is memorialized at The Grange, the home he built on a country estate in uptown Man...

2 mi from route ~6 min detour Free near mile 309
View on nps.gov
General Grant National Memorial

General Grant National Memorial

National Memorial

The final resting place of President Ulysses S. Grant and his wife, Julia, is the largest mausoleum in North America. It testifies to a people’s gratitude for the man who ended the bloodiest conflict...

3 mi from route ~7 min detour Free near mile 309
View on nps.gov
Stonewall National Monument

Stonewall National Monument

National Monument

Before the 1960s, almost everything about living authentically as a lesbian, a bisexual person or a gay man was illegal. The Stonewall Uprising on June 28, 1969 is a milestone in the quest for civil r...

9 mi from route ~21 min detour Free near mile 309
View on nps.gov
African Burial Ground National Monument

African Burial Ground National Monument

National Monument

The African Burial Ground stands as the oldest and largest known excavated burial site in North America for both free and enslaved Africans. It offers a profound testament to the enduring legacy of Af...

10 mi from route ~25 min detour Free near mile 309
View on nps.gov
Federal Hall National Memorial

Federal Hall National Memorial

National Memorial

Here at Federal Hall, George Washington took the oath of office as the first President of the United States, marking the beginning of the American constitutional republic. This historic site served as...

10 mi from route ~26 min detour Free near mile 309
View on nps.gov
Castle Clinton National Monument

Castle Clinton National Monument

National Monument

Located at the southern tip of Manhattan, Castle Clinton marks the place where New York City began and reflects the growth of both the city and the nation. Built to defend the harbor during the War of...

11 mi from route ~27 min detour Free near mile 309
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

What kind of drive is this?

This drive is mostly highway, with 71% of the 358.5 miles on major expressways. You'll encounter a significant stretch of 104.5 miles on the Southern Tier Expressway before transitioning to other routes. Expect a good amount of cruising with frequent exits on the highway segments. The remaining 29% of the route will be on surface roads, likely with more local traffic and slower speeds.

71% highway — fuel and pacing are the main things to plan.
47 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 104.5 mi on Southern Tier Expressway.

How Hard Is This Drive?

10/10

This is a straightforward highway drive that stays mostly on Southern Tier Expressway and Keystone Shortway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 191.1 miles in near US 6.

Driving Effort 10/10

High effort - long or complex enough to need steady focus all day

Balances navigation complexity with total wheel time.

This is a demanding drive. With 28 significant decision points across 358.5 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 191.1 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 305.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 305.9 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Elevation Profile

Gently rolling terrain

1,918 ft 54 ft

Total Climb

1,136 ft

Total Descent

2,369 ft

Highest Point

1,918 ft

~204.8 mi in

Elevation Range

1,864 ft

Notable High Points

1,918 ft at ~204.8 miles +707 ft prominence

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Glenville, NY and Smithtown, NY, road signs point toward Mt Pocono, Milford, New York City, Leonia, Teaneck and George Washington Bridge Upper Level - among others.

Mt Pocono

191.1 mi in | ~3h 54m | via US 6

Milford

191.8 mi in | ~3h 55m | via I 84; I 380

New York City

305.6 mi in | ~6h 10m

Leonia

305.9 mi in | ~6h 11m

Teaneck

305.9 mi in | ~6h 11m

George Washington Bridge Upper Level

308.1 mi in | ~6h 15m

Eastern Long Island

323.1 mi in | ~6h 35m

N East: Hauppauge

337.7 mi in | ~6h 56m

About the Cities

Starting in Glenville, NY

Full guide →

Arriving in Smithtown, NY

Full guide →

Smithtown is a town of 117,000 people (2016) in Suffolk County, on Long Island, in New York. Smithtown is comprised of the villages and hamlets of Commack (in part, with the Town of Huntington), Fort Salonga (in part, with the Town of Huntington), Hauppauge (in part, with the Town of Islip), Head of the Harbor, Kings Park, Lake Ronkonkoma (in part with the Town of Brookhaven and Town of Islip), Nesconset, Nissequogue, Smithtown, St. James, & Village of the Branch.

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 7h 25m. Total distance: 358.5 miles.

Family Friendly

Moderate complexity with 2 natural rest stops along the way.

Solo Traveler

7h 25m drive, plan rest stops for pacing.

Frequently Asked Questions

The longest stretch is about 104.5 miles on Southern Tier Expressway. The full list of main roads is in the Roads section above.

Expect about $22.82 in tolls one way, starting with George Washington Bridge. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.

Yes — we found about 32 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Smithtown, NY before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 32 rest areas along the route for bathroom stops.

The main spots that need attention: at 191.1 miles (US 6): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 305.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 305.9 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Yes — Hamilton Grange National Memorial, General Grant National Memorial and Stonewall National Monument (6 total within detour distance). See the National Parks section for detour distances and tips on detours.

Not recommended in a single day. At 7.4 hours each way, a round trip means 14.9 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Smithtown, NY before the return drive.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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